31107728

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{17837}}^1$

素因数の和:17954

約数の個数: 20

約数和(自身を含む): 60827580

約数和(自身を除く): 29719852

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 17837, 35674, 71348, 142696, 285392, 1944233, 3888466, 7776932, 15553864, 31107728]

約数ペア:

[(1, 31107728), (2, 15553864), (4, 7776932), (8, 3888466), (16, 1944233), (109, 285392), (218, 142696), (436, 71348), (872, 35674), (1744, 17837)]